Indian Postal Code System Consists of Six digits. The first to digits represent the state, the second two digits represent the district and the Third two digits represents the Post Office.In this case the first two digits 50 represents the state Andhra Pradesh, the second two digits 93 represent the district Mahabub Nagar, and finally 57 represents the Post Office Vasupala B.O. Thus the Zip Code of Vasupala B.O, Mahabub Nagar, andhra pradesh is 509357